2) beam divergence
射束发散
4) Emittance
[i'mitəns]
束流发射度
1.
Further studies on beam emittance measurement have been made to improve the emittance measurement precision at BEPCⅡ linac.
BEPCⅡ直线加速器采用改变四极磁铁励磁电流,测量获取的束流横截面荧光图像得到束流包络,进而通过对束流包络和励磁电流的拟合计算得到束流发射度和Twiss参数。
2.
In this paper, using a cylinder model of space charge, the formulae of self-energyand emittance growth for a bunched beam with Gaussian type density distribution inboth ongitudinal and transverse directions in linac are derived.
采用直线加速器中的空间电荷束团的有限圆柱模型，并假设该有限圆柱体电荷密度分布在横向ｒ和纵向ｚ都满足高期分布，推导得到了该电荷束团的自场能与发射度增长公式；通过数值模拟计算，给出了束流发射度增长随束团参数和加速器系统参数变化的图表曲线，讨论了该双向高期密度分布电荷束团发射度增长的比率关系。
5) beam emittance
束流发射度
1.
Beam emittance measurement with modified three gradient method;
用修正三梯度法测量束流发射度
2.
In this paper, the relation between the beam emittance and the condition of dispersion free at long straight sections for HLS storage ring was presented; The calculation of the lowest emittance of the storage ring was carried out while considering H function matching condition; Theory basis was afforded for the multi modes operation of the light source.
研究了合肥光源（ＨＬＳ）储存环束流发射度与其长直线节消色散条件之间的关系；在考虑到Ｈ函数的匹配时，计算了储存环最低束流发射度；为光源多种运行模式提供了理论依据。
6) Electron beam injiction
电子束发射
补充资料：束发
古代男孩成童时束发为髻，因用为指代成童：余自束发读书轩中。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条